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Add `build-with-entropy` pipeline #5293

Job	Run time
MSVC 4.20 with entropy (0)	1m 30s
Current MSVC	1m 49s
MSVC 4.20	1m 34s
Current msys2 mingw32	4m 8s
MSVC 4.20 with entropy (1)	1m 47s
Current msys2 clang32	5m 16s
MSVC 4.20 with entropy (2)	1m 41s
MSVC 4.20 with entropy (3)	1m 41s
MSVC 4.20 with entropy (4)	1m 47s
MSVC 4.20 with entropy (5)	1m 49s
MSVC 4.20 with entropy (6)	2m 3s
MSVC 4.20 with entropy (7)	1m 35s
MSVC 4.20 with entropy (8)	1m 48s
MSVC 4.20 with entropy (9)	1m 29s
Download original binaries / fetch	3s
Merge entropy artifacts	8s
Compare with master	1m 59s
Upload artifacts	0s
	32m 7s

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